Abstract:Abstract. We improve Knudsen-Preneel's constructions for cryptographic hash functions based on block ciphers with error correcting codes. We first modify to extend original constructions, which are effective only for non-binary codes, to the case with binary codes (e.g. BCH codes). We also revise the original method by introducing convolutional codes, whereas the previous adapts only block codes. This reduces the circuit complexity of the hardware-implementation 1/N times in terms of the number of (Davies-Meye… Show more
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